>>4957312Size accomplishes two things.
1, a longer dick can reach deeper
2, a girthier dick applies more pressure to nerves
Now, some women just have a size fetish and specifically like the feeling of something long and wide inside them, and there's nothing you can do about that, but a lot don't. Learning you some anatomy, and learning the layout of your woman can help shore up any size or girth inadequacies otherwise.
Knowing what to aim for, for example, can easily overcome the blind thrusts of a bigger dick than yours. Find where the nerve clusters are in your vagina of choice. The easy one is the G-spot, since it's far more consistent than most other such bundles. Ventral (belly-side) surface, varying (but usually quite short) distance in. If you don't have a micropenis, you can hit it.
Now, comparability IS actually a thing.
If Chad has a 10 inch dick, and you have a 6 inch dick, and your waifu has a nice nerve ganglion about 5.5 inches in, to the right and towards the bottom, or some shit, then Chad might do a shitty job at hitting that ganglion, especially if he doesn't withdraw a good 4.5 inches per thrust, while you can bottom out in *just* the right spot. Keep in mind, maths still favors Chad, since he can technically hit everything you can, and more, but commonly, men with big dicks don't bother on learning the neutral game, and just abuse their unfair frame data and disjoints.
Of course, then there's the Blue Eyes White Chad, who has a big dick AND knows how to use it, but then he can probably do better than your waifu anyways.
Your best bet is to just get fucked BY the BEWC, and join the clicky in-group of people that have been fucked by the BEWC along with your waifu.
Of course, if you don't give a shit, and just want to be the best love machine you can be, just use one of those kickass strapons with knobs and oscillating beads and shit that make even the BEWC's sweat run cold and git gud at eating puspus like a real man.